Finding the Fourth Proportional to 22,003, 33,007.24 and 7,213.42

Step by Step Solution

1. Step 1: Write the proportion equation
   22,003 : 33,007.24 = 7,213.42 : x
2. Step 2: Convert to fraction form
   22,003/33,007.24 = 7,213.42/x
3. Step 3: Cross multiply
   22,003x = 33,007.24 × 7,213.42
4. Step 4: Simplify right side
   22,003x = 238,095,085.16
5. Step 5: Solve for x
   x = 238,095,085.16/22,003
6. Step 6: Final answer
   x = 10,821.03